Sarpy Fire
Active
Big Horn County, Montana · Discovered August 17, 2026
900 acres
Size
0%
Contained
-
24h growth
-
Personnel
Source: NIFC/IRWIN (interagency) · Last upstream update 11 hours ago
Current situation
Sarpy Fire
Air quality · Good
AQI 32
The Sarpy Fire fire has burned 900 acres in Big Horn County, Montana. Crews have reached 0% containment. Air quality near the fire is good (AQI 32).
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Growth & containment history
| Recorded | Size | Contained |
|---|---|---|
| 8/18/2026, 2:14:38 AM | 900 acres | 0% |
| 8/18/2026, 12:33:40 AM | 500 acres | - |
| 8/17/2026, 11:58:03 PM | 100 acres | - |
History recorded by Fire Nearby each time upstream size or containment changes.
About this data
Fire Nearby aggregates official incident data and shows exactly when each value was last updated. For evacuation decisions, always follow instructions from local emergency officials and check county emergency management channels.